Type-writer.



y EATENTED AEE. 7, 1903. J. ALEXANDER. TYPE WEITER. v

APPLICATION FILED 0OT.1, 1901. N0 MODEL.

m: man s warms co vraoou'ruo wAsmNcrcN n c No. 724 772. v EATENTEE A11.7 190s.

- J. ALEXANDER. P

- l TYPE WEITER.

IIIIIIIIIIIIIIII od'r.1, 1901.

I0 MODEL. 14 SHEETS-*SHEET 2.-

PATENTBD APR. '7, 1903.

J. ALEXANDER. TYPE WEITER. APPLICATION FILED 0C11.'1, 1901.

14 SHEETS-SHEET 3.

N0 MODEL.

/N VEN TOR W/TNESSES:

NE YS M54, #y M/ PATENTED APR. 7, 1903. J. ALEXANDER.

TYPE WRITER.

APPLICATION FILED o0T.1. 1901.

14 SHEETS-SHEET 4.

/N ENTH .fewe exdno/er Wl TNE SSE S N0 MODEL.

PATENTED APR. 7, 1903.

l No. 524,772.

" J. ALEXANDER.

TYPE WRITER. APPLIoATIoN FILED ooT.1, 1901.

`. 14 SHEETS-SHEET 5.

N0 MODEL.

JVM

m: uonms PETERS :n

E9. 724,772. PATENTED APE. 7, 19'3.

1. ALEXANDER. TYPE WEITER.

APPLICATION FILE-D 0GT.1. 1901.

No MODEL. 14 SHEETS-SHEET e.

@ffl/MM y YN: non'ms versus so., FHoTo-Llmq. wnsnwrou, D. cA

No. 724,772. PATENTED APR. 7, 190s. J. ALEXANDER.

TYPE WRITER.

PPLI ATIDN PIL D o T.1 1901. No MODEL. A o E c 14 SHEETS-511mm.

PATBNTED. APR. 7, 190s.v

J. ALEXANDER. TYPE WRITER.

APPLICATION FILED ocT.1, 1901.

' 14 SHEETS-SHEET a.

N0 MOD-EL.

rn: mams versus co, Puo'raum... wAsmumcn. D. c.

No. 724,772. l

J. ALEXANDER.

TYPE WEITER. APPLIUATION FILED 0035.1, 1901.

PATENT-ED APR. '7, 1903.

NO MODEL.

14 SHEETS-SHEET 9.

` Ton, n. c. z Nouns Pneus co. PHomumo.. WASHING No. 724,772. v PATENTEDAPR. 7, 1.903. J. ALEXANDER.

TYPE WRITER.

APPLICATION FILED 001.1, 1901. No 111011111.. 14 SHEETS-SHEET 1o.

Wl TNE SSE S am/ CL@ @MM PATENTED AEE. 7,1903.

No. 724,772.y

J. ALEXANDER. TYPE WEITER.

`APPLIGATION FILED 0UT.1, 1901.

14 sHEETs-sHEET 11.

N0 MODEL.

w/TNEssEs Ew/J5@ fi/f No. 724,772. PATENTED APR. 7, 1903. J. ALEXANDER.

TYPE WRITER.

APPLICATION FILED 001.1, 1901.

NO MODEL.

S M T. 0 N H E V A W @f5-@MM No. 724,772. PATENTED APR. 7, 1903.

` J. ALEXANDER.

TYPE WRITER.r

APPLICATION FILED 0OT.1, 1901. Y N0 MODEL. 14 SHEETS--SEBETll WITNESSES.V NVENTOH No. 724,772. PATENTED'APE, 7, 190s. J. ALEXANDER. A

I TYPE WRITER. APPLICATION FILED 00T. 1,. 1901. N0 MODEL. v 14SHEETS-SHEET 14A UNITED STATES PATENT EEICE.

JESSE ALEXANDER, on NEW YORK, N. Y., ASSIGNoR on ONE-HALF To HERMANBENKE, oE NEW YORK, N. Y.

TYPE-WRITER'.

SPECIFICATION forming part of Letters Patent No. 724,772, dated April'7, 1903;

Application tiled October 1, 190,1. Serial No. 77,184. (No model.)

To @ZZ whom/it may concern:

Be it known that I, JESSE ALEXANDER, a citizen of the UnitedStates, anda resident of the city of New York, borough ot' Manhattan, in the countyand State of New York, have invented a new and Improved Type-Writer, ofwhich the following is a full, clear, and exact description.

This invention relates particularly to improvements in carriagemechanism for typewriting machines; and Aan object is to provide asimple means for actuating a carriage and limit its movements.

Other` objects of the invention will appear in the general description.

I will describe a type-writer embodying my invention and then point `outthe novel features in the appended claims.

Reference is to be had to the accompanying drawings, forming a part ofthis specification, in which similar characters'of reference indicatecorresponding parts in all the figures.

Figure 1 is a perspective front elevation of a type-writing machineembodying my invention. Fig. 2 is a perspective rear elevation thereof.Fig. 3 is a sectional elevation. Fig. 4 is a plan view. Fig. 5 is a planview with the impression-roller removed. Fig. 6 is a similar view, butshowing the parts i-n a different position. Fig. 7 is a plan with thecarriage removed. Fig. 8 is a section on the line 8 8 of Fig. 4. Fig. 9is a plan clearly showing the carriage-shifting mechanism. Fig. l0 is anend View and section on the line 1'0 10 of Fig. 9. Fig. 11 is a sectionon the line 11 11 of Fig. 9. Fig. 12 is a view showing the tabulatingmechanism. Fig. 13 is a perspective view of a portion of a type-bar.Fig. 14 is a perspective view showing the other portion of the type-bar.Fig. 15 shows a typeblock. Fig. 16 is a section on the line 16 16 ofFig. 12. Fig; 17 is a general View of the type-bar-operating mechanism.Fig. 18 is a side view of the carriage-movement regulator. Fig. 19 is asection on the line 19 19 of Fig. Fig. 2O is a detail showing the meansfor elevating the impression-roller. Fig. 21 is a front View of aportion of the same mechanism. Fig. 22 is a detail showing means foradjusting the roller-lifting device. Fig. 23 is a plan showing a meansfor adjusting the ma# chine for different lengths of carriages. Fig. 24is a section on the line 24 24 of Fig. 23. Fig. 25 is a sectional viewof one of the ribbon-spools. Fig. 26 shows the ribbon-spook operatingmechanism. Fig. 27 is a rear view of the ribbon-spool. Fig. 28 shows aribbonlifting device. Fig. 29 shows the type-bar guide. Fig. 30 is adetail showing the carriage track or rail. Fig. 31 is a section on theline 31 31 of Fig. 30. Fig. 32 shows a blankfor forming a nger-lever.Fig. 33. shows the linger-lever as formed, and Fig. 34 is an end viewthereof.

The frame of the machine comprises corner uprights or posts 50,connected at lthe ends and at the bottom -by bars 51 and at the top bybars 52. The rear'uprights or posts are connected at the bottom by across-bar 53, and arranged `in the front of the frame is 'a front plate54. The front plate 54 at the top has a semicircular opening, and inwardof this opening is a segmental plate 55, upon which is a cushion 56, offelt or other suitable material, upon which the type-bars are designed.to strike upon'their return movement, thus causing practically no soundupon said return of the type-bars. The front plate 54 at its lower edgeis kerfed to receive the fulcrum parts of the type-bars, the type-barsbeing fulcrumed on a rod or wire 57', extended along the rear side ofthe said front plate.

Each type-bar consists ofa fulcrum-section 58 and a type supporting-orbearing section 59, these sections being adj ustably connected together.As here shown, the section 58 is provided with a portion 60, which isturned over and extends down parallel with the body of said section 5S,and the said body and portion 60 form the side walls of a socket inwhich the end of the type-bar section 59 is inserted and is held bymeans of screws 61. These screws 61 pass through openings in theportions 58 and 60 and through slots 62 in the portion 59. By thisconstruction the typebar may be readily adjusted longitudinally to causethe type to strike at the proper place over the im pression-roller. Thesection 5S of the-type-bar is provided with a hook-shapedfulcrum-bearing 63, designed to engage with the fulcrum-rod 57, asclearly shown in Fig. 3, and extended downwardly and rearwardly fromthis fulcrum-bearing is an arm (54, on the end of which is a headed pinG5, designed to engage with an actuating anglelever, as will behereinafter described. The several type-bars are held yieldingly yetremovably on the rod 57 by means of a springpressed rod or wire 66. Thiswire 6G is lougitudinally curved and is attached at its ends to thesprings 67, the said springs being attached to the frame of the machine.This wire or rod 66 not only serves for the purpose above described, butserves as a yielding abutment for the upward or striking movement of thetype-bars by engaging with projections 68 on the said type-bars.

Attached to the free end of each type-bar is a type-block G9. Thistype-block G9 consists of a plate of metal bent to engage the upper edgeof the type-bar and also to engage against the side thereof. It may besecured in any desired manner, such as by pressure or swaging or bysoldering. On each typeblock are the upper and lower case type 70 7l. Onthe lower or outer edge of each typebar, near its free end, is aprojection or lug 72. This project-ion or lug is designed to prevent thestriking of type of another typebar against any type-bar that may be inprinting position, and therefore the projection or lug is located at aposition to engage between the type on a type-block.

The linger-levers 7f3 are each formed of a single sheet of metal, theblank for forming the same being clearly shown in Fig. At the outer endthis blank has an upwardly-extended portion 7-1 and an upwardly-extendedportion 75. The portion 75 is designed to be folded against the portion7-1 and then the upper ends of said portions 74 and 75 are to be turnedat right angles or on a horizontal plane, after which a cap-plate 76 onthe portion 75 is to be turned downward, and on this plate 76 the cap 77is to be placed, the said cap having printed thereon letters, numerals,or other characters. The general construction of the finger-lever whenformed is shown in Figs. 33 and 3l. At the rear end the severalfiuger-levers are fulcrumed on a rod 7S, mounted on a bar 79 at'the rearside of the machineframe. This bar 7S) is provided with slits or kerfsto receive the finger-levers, and the walls of lsaid slits or kerfs willprevent to a great extent any lateral play of the levers. It will benoted that the bearings of the levers are in the form of notches, sothat the levers may be readily removed when desired. Thereturning-springs SO are connected at one end to the levers and at theother end to an adjusting-screw S1. By manipulating these screws Sl itis obvious that the tension of the springs maybe readily adjusted. Atthe forward ends the several finger-levers are guided in slits formed inthe lower edge of the front plate 54:, and between its ends each leveris provided with a hook-shaped bearing 82.

Each finger-lever is connected to its typebar by means of an angle-lever83. These several angle-levers have fulcrum-bearings 84, which openoutward, and these bearings receive a Fulcrum-rod 85, mounted on theupper side of a comb-plate 86, extended across the m achine-f ram e. Theseveral angle-levers are held removably on the fulcrum-rod by means ofaholdingbar S7, attached, by means of arms S8, to a rock-shaft 89, withwhich one end of a sprinT 90 connects, the other end of said springengaging with the machine-frame. The forwardly-disposed lower member ofthe angle-lever S3 is provided with a headed pin 91 for engaging in thebearing 82, andthe upper end of the upwardly-disposed portion of theangle-lever is provided with a slot 92 to receive the pin (35. Thegreater portion of this slot 92 has straight side walls. The upperportion, however, is curved rearward and upward, as at 93, and at thelower end ofthe slot is an enlargement 94, through which the head of thepin may readily pass.

By the construction of the connections between the type-bar andfinger-lever and angle-lever it is obvious that the several parts may bereadily assembled or may be readily detached for replacement by othersshould occasion require from wear or other cause, and this, of course,without disturbing other portions of the machine.

To cause the type at all times to strike on the proper place or inproper alinement on the paper, I provide a guide just forward of theimpression-roller and consstingotl tubular members 95 9G, the spacebetween the adjacent ends of which is sufcient to permit the end of thetype-bar to pass through. These tubular members are mounted on the upperend of a post 97, attached to the front plate 54. Arranged in the innerend of each tubular member and projecting slightly outward therefrom isa movable bearing device, here shown as a hard-metal ball 98. Theseballs are prevented from moving too faroutward by crimping or swagingthe endsof the tubes. The balls are pressed yieldingly t0- ward eachother by means of springs 99, arranged in the tubes, and as a means foradjusting the tension of the springs I employ screws 100, which engagein the outer portions of the tubes. 1t is obvious that by adjusting thetension of one spring slightly greater than the other the pressure ofthe ball at one side of the type bar will be greaterthan at the other,this having a tendency to press the type-bar toward said weaker side,which maybe found necessary during some adjustments; but of course thetension of the two springs may be made equal.

Having described in detail the type-bars and their actuating devices, Iwill now describe a means for feeding the ink-ribbon, it beingunderstood that the feed is by step-bystep motion upon the operation ofeach typebar or by the spacing-bar. The spacing-bar 101 is arrangedalong the front of the machine in the usual manner and attached to theforward ends of arms 102, which extend IOO IIO

along the inner side of the machine-frame and are fulcrumed at theirrear ends on posts,

these arms 102, as do also the several fingerlevers, passing over andengaging vupon a universal lifting-bar 103, attached, by means of arms104, to a rock-shaft 105, having bearings at its ends in themachine-frame.

The ribbon feeding device consists of spools 106, mounted oninwardly-extended arms 107 in the machine-frame, and rearward of eachspool is a ratchet-wheel 108. YThe ratchet-wheels 108 are mounted torotate on studs 109, attached to the said arms 107, and the spools 106are attached to the studs 109 by means of spindles 110. These spindlesare interiorly screw-threaded to engage the exterior screw-thread on thestuds 109, and be-I tween the head-of the spindle 110 and the spool isarranged a spring 111, which serves to hold the spool yieldingly againsta collar 112 on the stud. Each spool 106 is caused to rotate with itsratehet-wheel108 by means of a pin 113, attached to the spool andengaging in a notch in the hub portion of the ratchetwheel. By thisconstruction the spool may be readily detached from its ratchet-wheelwhen desired.

A gravity-operating dog 114 is provided for eachratchet-wheellOS.Thisgravity-doghas a rearwardly-extended upper end for engaging with theteeth, and its lower end 115 is so l weighted as when released to causethe hook portion of the dog to engage with the teeth-.- that is, theseweighted portions are inclined inwardanddownward. Thegravity-dogs114 areconnected by links 116 to arms 117, eX- tended forward from therock-shaft 105, the upper ends of said links 116 being pivotallyconnected to one end of links 117% the opposite ends ot' said links 117@being pivoted to hangers in tlremaehine-frame, the dogs 114 beingmounted on the pivots connecting the parts 116 and 1173.

Mounted to slide in bearings in the machine-frame is a bar 118 forshifting the dogs 114-that is, for so shifting the dogs that one j willbe placed in operative position, while the other is placed ininoperative position. This shifting-rod 118 is provided withfinger-pieces at its ends, and it is also provided near its ends withcollars 119 for engaging the weight-A ed ends of the dogsv114. In Fig. 8this bar 118 is shown as shifted to the right, thus leaving the dog 114at the right-hand side of the machine to operate the spool at saidrighthand end and draw the ribbon 120 from the i .causing it by engagingwith a tooth of the the parts are subject to wear.

wheel 108 to move the ribbon-spool one space. Upon releasing theringer-lever the rock-shaft will be returned to its normal position,consequently moving the dog upward for engagement with another tooth. Tocause a quick return of the rock-shaft 105, I may employ a spring 121,which is coiled around said rockshaft near one end and is connected atone end to the rock-shaft and at the other end to a pin on themachine-frame. When itis desired to turn the spools to quicklyadjust theribbon, said spools may be drawn out against the resistance of thesprings 111, releasing the pins 113 from the ratchet-wheels 108.

At its central portion the ribbon 1,20 passes through a guide andlifting plate 122,. This guide-plate has' a centralVr opening throughwhich the ribbon may be pressed against the paper, and it has side slots123, the walls of which provide guides for the ribbon. These slots 123have upward and outward openings through which the ribbon may be readilypassed. At each depression of a finger-lever the plate 122 is carried'upward to bringthe The lower end'i ribbon in line with the type. of theguide-plate 122 is pivotally connected to an arm 124, loosely mounted ona rockshaft 125, supported in the machine-frame, and this arm 124 has aprojection rearward of the rock-shaft with which a draw-rod 126connects, the lower end ot' this draw-rod being connected pivotally toan arm 127, eX- tended rearward from the universal liftingbar 103.

I will now describe the impression-roller carriage and its operatingmechanism. The carriage comprises end pieces having at the frontupwardly extended portions 12S and rearwardly and upwardly extendedportions 129. These end portions are connected by a rail 130, which ismounted to run, as here shown, on three rollers 131, attached to a bar132, extended across the machine frame. These rollers 131 are groovedand the bottom edge of the rail is correspondingly shaped,

and to prevent any possible upward swinging movement of the carriage Iemploy a holdingroller 133, which is placedl over the center roller 131.This holding-roller 1.33 is vertically adjustable, so that it may bemoved downward to properly engage the rail 130 as This roller 133 ismounted on a stud connected to a plate 134, through an opening in whicha screw passes into a post 13'5, extended from the bar 132.

The rear portion of the carriage. moves on a track or rail 136, which ismade angular in cross-section. Attached to the back crossbar 137 of thecarriage are collars 138, which engage around said track or rail 136,and to reduce lfriction to a minimum between the collars and the rail Iemploy in each collar 138 an antifriction -roller 139, which bears uponthe upper surface of the track or rail, and against opposite sides ofthe lower portion balls 140 engage. These balls 140 are passed throughopenings formed in the collars IOO IIO

`and are held in place by means of screws 141,

the inner ends of these screws being cupped to receive the balls.Instead of attaching the collars 138 directly to the bar 137 Ipreferably attach them to a plate 142, which is attached to the bar 137by means of athumb-screw 143, and to prevent the plate 142 from turningon the screw it is provided with lugs 144, which engage in recessesformed in the bar. The object in making the collars detachable from therail 137 is to provide for the adjustment of a longer carriage, as willbe hereinafter described.

The carriage is moved in one directionthat is, to the left-by means of aspring arranged in a barrel 145, one end of which is attached to a wheel146, while the other end is attached to lthe barrel. A metal ribbon 147is attached at one end to the wheel 146 and at the other end to a finger147 on one of the collars 138. The spring may be wound by turning theshaft supporting the barrel 145 and held as wound by means of a dog 148,engaging with a ratchet-wheel 149 on the shaft. Mounted on the shaft isa gong 150, adapted to be sounded by a striker 151, attached to aswinging arm 152 and having an upward extension designed to be engagedby a tappet 153, attached to the plate 142. This tappet 153 has swingingconnection with a plate 154, adjustable on said plate 142 and held asadjusted by means of a set-Screw 155, passing through a slot in saidplate 154. This adjustment will be found necessary to ring the bell at adesired time or in accordance with the width of the sheet of paper.

As a stop or controlling device for the movement of the carriage to theleft I provide a rack 156, the teeth of which are ratchetshaped, andthis rack is attached to a bar 157, mounted to rock on the carriage. Therack is held normally in position by means of a spring 158, connectedVat one end to the bar 157 at one end of the machine, and at the otherend the spring is attached to a screw 159, adjustably mounted in a lng160, and its forward movement is limited by a screw 161, mounted in alug162. Bymoving this screw 161 inward or outward it is evident that therearward throw of the bar may be regulated. At one end the bar 157 hasan upwardly-extended crank or handle 163, by means of which the rack maybe swung upward out of engagement with the holding and controllingdevices, to be hereinafter described, when it is desired to move thecarriage quickly to the left.

The retarding and controlling mechanism for the carriage consists of aretarding-dog 164, rigidly mounted on an arm 165, and a governing-dog166, mounted below the dog 164, so as to swing slightly on a horizontalplane. Pressing against one side of the dog 166 is a spring 167, andpressing against the other side of said dog is a lighter spring 168,which serves to return the dog 166 to normal position, the other springoperating to force the dog in the opposite direction. These two springsare attached to the arm 165. The arm 165 has trunnions 169, which havebearings in longitudinal openings formed in screws 170, operating inuprights 171 on lthe back cross-bar 172 of the machine-frame. Thesescrews 170 permit of lateral adjustments of the arm 165, and the screwsmay be held as adjusted by jam-nuts 173. One end of a spring 174connects with a portion of the arm 165, rearward of its pivotal point,and the other end of this spring connects with a screw 175, adjustablein a yoke or hanger 176. As here shown, the lower end of the spring 174instead of connecting directly with the screw 175 is connected to theend of a screw 177, eugaging with the interior thread of the screw 175.This is for causing fine adjustments of the parts, and when the screw175 is adjusted it may be held in such position by means of a jam-nut178. The upper end of the drawrod 126, heretofore described, has pivotalconnection with the forward end of the arm 165. In the operation of thisretarding and governing device when anyone of the linger-levers or thespacing-bar is moved downward the arm 165 will be swung downward untilthe governing-dog 166 passes beneath and is disengaged from a tooth ofthe rack 156. At this time the upper fixed dog 164 will engage with thetooth previously engaged by the dog166, holding the carriage in positionuntil an impression shall have been made by a type, and at this time thespring 167 will force the dog 166 to the right underneath the next toothof the series on the rack. Then as the finger-lever is released and thearm 165 moved upward by means of its spring the dog 164 will bereleased, permitting the carriage to move one step as the dog 166engages with said next tooth of the series and stops the carriage. Thethrow of the dog 166 by means of the spring 167 may be regulated by ascrew 179, seated in the arm 165 and bearing against said spring, asplainly shown. in Fig. 19. As before stated, the spring 168 is lighteror has less pressure than the spring 167, and therefore it will offer noobstruction to the operation of said spring 167. It will, however,prevent the dog 166 from moving too far or rather return it to normalposition when the said dog is deiiected by moving the carriage to theright.

I-Iaving described the carriage, its move-l nections consist ofthumb-screws 184, which have plain portions bearing in the saidextensions of the carriage and screw-threaded por- The oppotionsengaging in the arms 183.

ICO

los

IIO

site arms 183 are connected by a cross-bar 185, and the forward portionsof thev side plates are connected by a cross-bar 186. To permit of aback and forth adjustment of the roller for regulating the strikepressure of the type, its trunnion-bearings are arranged in blocks 183,slidable in the vend plates and held as adjusted by means of screws.

The frame carrying the roller has a slight vertical movement at itsfront, so as to make the proper changes for upper and lowercase typeprinting. Therefore the trunnions extend through slots or openings 187in the uprights 128 of the carriage. The ends ofthe trunnions areprovided with finger-pieces 188, by means of which the roller may bequickly adjusted when desired. On one end of the roller isa'ratchet-wheel 189, designed to be engaged by a dog 190, mounted torock on a trunnion of the roller. As 'here shown, this dog 190 isconnected to an arm 191, mounted on said trunnion, and the arm is thrownin one direction by means of a spring 192, coiled around the trunnionand connected at one end to a pin on the end plate and at the other endto the said arm 191.

Mounted to swing on ahorizontal plane and pivotally connected to a blockor lug on the end plate 181 is an operating-arm 193 for causing amovement of-the dog to impart a step-by-step motion to theimpression-roller, This arm 193 has a nger 194, adapted to engage with apin 195 on said arm 191. By throwing the free end of this arm 193 to theright the dog will be moved to impart a mo.- tion to theimpression-roller. Upon re1eas ing the said arm thedog will be drawnback, while the roller remains stationary, by means of the spring 192,and it will be raised free ofthe ratchet in its back movement by meansof a pin 196 engaging with a stop-lug 197 on the said plate 181, so asVto permit free movement in 'either direction of the impressionroller. ofthis same arm 1,93 the carriage may be moved to the right by a continuedpressure on said arm.

To provide for ditierent spacings for lines, I employ an adjustablestop. This stop consists of a lng- 198, adapted to be'engaged by a pin195 on the arm 191. The lng 198 is attached to a lever 199, having a pinor screw 200, movable in a slot 201, formed in the plate 181.

ble signal consists of a roller 204, adapted to engage with theratchet-wheel'189 and cause It may be here stated that by means a slightclick against the teeth as the wheel is turned. This roller 204 issupported on an arm 205, mounted to swing on a stud 206, and a spring207, engaging at one end with the arm 205 and at the other end with apin on the plate 181, serves to hold the roller 204 yieldingly againstthe ratchet-wheel.

moved and held out of engagement with the ratchet-wheel by means of aplate 208, mounted to slide on a bar 209, the said bar having T-shapedends connected to the opposite end4 plates and which will prevent anypossible swaying movements of the'plate. As here shown, a screw 210passes through a slot in the plate 208 and engages in said har209. Whenthe plate is moved downward, it will engage with the roller, pressing itoutward, and consequently out of engagement with the ratchet-wheel. Thesaid plate, however, at this time will bear slightly on the end ot' theroller, so as to serve somewhat as a brake to prevent accidentalmovement. v

It will be noted that the pivotal points of the arms 183 are at a pointslightly above the plane of a line drawn horizontally intermediate ofthe upperand lowercase type.` Therefore when the impression-roller is inits lowermost position the lower type will strike solidly thereon, andalso when the impression-roller is moved to its upper position the areof a circle will be such that the upper-case type will be caused tostrike squarely on the paper supported on the roller.

The paper is guided and held around the under side ot' theimpression-roller by means of a plate 211, curved substantially' to theform of the roller and having its rear edgepattaehed t'o the bar 209.Pressure-rollers 212 When' this audible signal is not desired, it maybev IOO and 213 are extended slightly through slots f and 213 are causedto press yieldingly against the paper. For the purpose of easilyremoving the rollers 212 213 the sockets in the hangers 215 have outwardopenings, (clearly shown in Fig. 3,) and the rod 214 is prevented fromaccidental movement out of said hangers by means of a spring-plate 218engaging with saidv rod between the two rollers and hookingr slightlyunderneaththe same, the said part 218 being attached to the rock-shaft216. A finger-piece 219 is attached to one end of the rock-shaft, sothat it may be readily swung to disengage the pressure-rollers from thepaper when the paper is to be removed or inserted. I also employpressure-rollers at the front of-the-impression-roller. These frontpressure-rollers 220 are supported in arms attached to a rock-shaft221,which has one end of a spring 222 attached to it, the other end of thespring being secured to one end of the roller-frame. 'lhe plate 211 isprovided with openings through `which the said front pressure-rollersmay pass. Extended upward from the rock-shaft 221 are fingers 223,designed to hold the paper against the roller above the point struck b ythe type. These holding-lingers 223 are adjustable longitudinally ofsaid shaft 221, and to prevent their turning thereon the openingsthrough which the shaft passes are made angular, while the shaft iscorrespondingly shaped. The adjustments of the fingers 223 toward andfrom each other adapt the machine to different widths of paper or toenvelops or the like.

I will now describe the means for raising the impression-roller to bringthe paper in position for upper-case letters. Mounted to swing on thebar 132 are levers 224 and 225, which at their inner adjacent ends areprovided With rollers 226 227, which normally engage with the cross-bar186. From the outer end of the lever 224 a draw-bar 22S extends downwardand connects with a lifting or shifting lever 229, mounted in a similarmanner to the finger-levers lirst described. From the outer end of thelever a draw-rod 230 extends downward to a connection with anotherlifting or shifting finger-lever 231 at the left-hand side of themachine. It is designed that by a downward pressure on the lever 229 theim pression-roller will be held elevated for any desired length of timeor when it is desired to print a line wholly in capitals. This upwardposition is indicated in full lines in Fig. 20. When the roller is to betemporarily lifted, however, the key 231 at the left-hand side of themachine is to be depressed. By depressing either one of said levers itslever 224 225 will be raised, consequently elevating theimpression-roller with its frame.

As a means forholdingthelever 229 downward for the purpose abovedescribed I employ a latch 232, designed to engage with a pin 233 on oneside of said lever 229. This latch 232 is attached to a rock-shaft 234,which is held yieldingly by means of a spring 235, connected at one endto the shaft and at the other end to a fixed portion of themachine-frame. The rear edge of the latch 232 above its hook portionengaging with the pin is inclined upward and forward, so that the latchwill be deflected upon a downward movement of the lever 229 and the pinengaging with said inclined portion. On the opposite end of therock-shaft 234 is an arm 236, which projects upwardinto thelineofmovementof the lever 231. Therefore when it is desired to release thelatch from the pin 233, permitting the iinpression-roller to fall to itsnormal position, a downward pressure of the lever 231 by engaging withsaid arm 236 will rock the shaft 234, and consequently move the latch232 out of engagement with its pin. It may be here stated that the bar132, upon which the levers 224 and 225 are mounted, has a yieldingconnection with the machine-frame and is adjustable up and down, so thatthe lifting movement maybe readily adjusted relatively to the frame inwhich the impression-roller is mounted. As shown in Fig. 22, the saidbar 132 is connected to the frame by means ot' screws 237, which passloosely through openings in the frame, and springs 238 are arrangedbetween the top of the bar and the under side of the frame portion,these springs surrounding the screws.

To limit the length of carriage movement, or rather to.cause it to stopat any desired length of line, I employ stops, here shown in the form ofplates 239, having weighted finger-pieces 240, whereby they will fall tostopping position by gravity. 'lhese plates are movable on the rail 136and are designed t0 engage with rack-plates 241 and 242. As has beenbefore stated, it is designed that the l machine may be adjusted fordifferent lengths of carriages and impression-rollers. Therefore therail 136 is secu red,by means of screws 243, to brackets 244 245,attached to plates 246 247, mounted to slide on the back bar or rail172, and these rack-plates 241 and 242 are attached to the plates 246and 247. As clearly shown in Figs. 23 and 24, the plates 246 and 247 areprovided with pins 248, which pass into slots formed in the plate or bar172, so that said plates may be moved outward or inward, and they areheld as adjusted by means of th umh-screws 249, which also pass throughslots in said plate or bar 172 and engage with the plates 246 247. Theplates 241 242 will be suitably graduated, or these graduatious may beplaced on other plates secured to said plates 241 242. The adjustment ismade by moving a stop or both stops to proper position for the width ofpaper and then permitting it to drop to engage with the racks, andobviously as the carriage moves in either direction the collars 13S willengage with said stop-plates.

I will now describe a means for stopping the carriage and locking theseveral fingerlevers from operation at any desired pointsuch, forinstance, as at a point where a word is to be carried to the next line,or rather a portion of a word. Mounted in the machineframe rearward ofthe impression-roller is a rock-shaft 250, which is moved after beingrocked to its normal position by means of a spring 251, fastened at oneend to said shaft and at the other end to the main frame. Adjustablelongitudinally on the shaft 250 is a stop-block 252, which is held asadjusted by means of a set-screw 253. At its end toward the center ofthe machine this block has a forwardly-projecting tooth 254, and. at theother end is a forwardly-projecting tooth 255, somewhat longer than thefirst-named tooth. Carried on the arm 165 is a hook-shapedspringyielding finger 256, designed to engage with the tooth 254, aswill be hereinafter described. At its rearside near one end a plate IOCIIO

